Suppose one of three disks in a storage pool has failed, and the storage pool has gone offline.
To remove a disk with mrconfig disk remove:
mrconfig disk
remove command.
mrconfig disk init
command on the replacement disk and on the other two disks that were in the disk
group.
mrconfig disk load
command on each of the three disks.
mrconfig dg create
command to create a new disk group with the three disks.
mrconfig sp make
command to create a storage pool on the new disk group.